Firearm.



PATENTED NOV. 20, 1906 L. STIENNON.

FIREARM. APPLIGATION FILED JUNE-29,1906.

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. FIREARM.

Specification of Letters Patent.

Patented Nov. 20, 1906..

Application filed Tune 29, 1906. Serial No. 824.044:-

To all whom it may concern.- Be it known that I, LoUIs STIENNON, a

' subject of the King of Belgium, residing in Herstal, Belgium, have invented certain new and useful Improvements in Firearms; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked therein, which form a part of this specification.

The object of this invention is, first, to siInplify the cooking and percussion mechanisms; second, to obtain percussion and cooking mechanisms mounted upon the triggerguard only; third, to reduce to the minimum the number of parts in these mechanisms.

The cooking of the hammer is usually effected by means of the part termed the longuesse, which by its rocking movement acts upon the hammers for cooking them by the intermediary of a lever, rod, or the like. In the present mechanism the hook oef th barrel acts upon the mainspring, and this latter actuates the hammer.

The accompanying drawings represent a firearm of this kind in partial longitudinal section.

Figure 1 shows the gun closed and the hammer depressed. Fig. 2 represents the same gun with thebarrels unlocked. Fig. 3 is a similar view in which the barrels occupy their normal position, the hammer being cocked.

The mainspring a has two branches'and rests upon the trigger-guard d. The free ex tremity of one of the branches bears upon an inclined surface n, carried by the triggerguard (Z, while the free extremity of the other branch presses upon the hammer b. The front extremity e of the spring a is freely lodged in the hook c of the barrel. The trigger g, which simultaneously serves as a scar, is provided with a projection m, constantly pressed by a spring f against a bearing-surface p of the trigger-guard. When the barrels are rocked for the purpose of cooking the gun, Fig. 2, the hook c lifts the front extremity of the spring a, which at the same time serves as cocking-lever and which thus causes the hammer b to rock rearwardly. This movement of rotation around the pivot 0 has the result of pressing the spring a forward and of causing the free extremity of its lower branch to pass over the inclined surface Immediately the culminating point of this inclined surface n has been passed the spring completes its travel by its own power until its extremity strikes against the trigger-guard (1. At this moment the back of the hammer b likewise strikes against the trigger-guard d and the trigger 9 falls into the notch in the hammer b. If the gun is then closed, the spring a being pressed by the hook c resumes its normal position, Fig. 3. The free extremity of its lower branch rises upon or passes over the inclined surface n, While the trigger 9 main tains the spring a in tension and the hammer I) cooked. If in this position the trigger g be pressed, the gun is fired and the different parts will resume the position indicated in Fig. 1. It should be noted that when the barrels are rocked, Fig. 2, it is impossible for the spring a to produce the depression of the hammer b and that consequently any pressure exerted upon the trigger 9 will have no effect. In order to dismount 'this gun, it is therefore only necessary to remove the longuesse and the trigger-guard screw. Inspection of the gun is therefore rendered very speedy, and the user may assure himself of the efficient operation and condition of his gun without touching or dismounting the mechanism, seeing that this latter is perfectly visible. When the gun is dismounted, the hammer remains cocked and cannot be depressed for the reasons set forth above. It is only when remounting takes place that the spring is pressed back into position, so that after remounting the gun will always be cocked, so that it is unnecessary if cartridges are introduced into the barrel to open and reclose the gun, as is the case with most, if not all, existing guns, in order to effect the ignition of the cartridges.

The advantages of this mechanism may be summed up as follows; first, simplicity of dismounting and mounting; second, ready lubrication of all the parts of the mechanism; third, reduction to the minimum of the number of parts in the cooking and percussion mechanism; fourth, inexpensive manufacture; fifth, mounting of the cocking and percussion mechanism upon the trigger guard only; sixth, mechanism adapted to be applied to almost all guns of the hammerless type.

What I claim, and desire to secure by Letters Patent of the United States, is g 1. A cooking and percussion mechanism comprising a trigger-guard having a projection thereon, a hammer, a spring having branches engaging the hammer and projection, in combination with a tilting barrel having a lug adapted to engage the spring and cause the lower branch thereof to ride over the projection to maintain the hammer in either a raised or depressed position.

2. A cocking and percussion mechanism comprising a trigger-guard having an inclined surface, a hammer, a spring having an upper branch bearing on the hammer and a lower branch engaging the inclined surface in combination with a tilting barrel having a lug adapted to engage the forward part of the spring and cause the lower branch thereof to ride over said inclined surface for the purpose specified.

3. A cocking and percussion mechanism comprising a trigger-guard having an inclined surface, a pivoted hammer having notches therein, a spring having an upper branch engaging one of said notches of the hammer and a lower branch normally lying over the inclined surface, a trigger, a spring to normally hold the latter against the guard under the hammer, in combination with a pivotally-mounted barrel having a notched lug adapted to engage the forward end of the spring and cause the lower branch thereof when the barrel is tilted to ride over the inclined surface of the trigger-guard.

In testimony that I claim the foregoing as I my invention I have signed my name in presence of tWo subscribing Witnesses.

LOUIS STIENNON. Witnesses:

LEON DUJARDIN, GEORGES VANDER HAEGHEN. 

